46 lines
1.5 KiB
Java
46 lines
1.5 KiB
Java
DbInfo
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package com.ack.j2ee.jdbc;
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import java.sql.Connection;
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import java.sql.DatabaseMetaData;
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import java.sql.SQLException;
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/**
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* A simple utility class that dumps out useful information
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* about a database that is access through JDBC
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*
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*/
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public class DbInfo {
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private DatabaseMetaData dbMetaData;
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/**
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* construct a DbInfo object from a Connection object
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*
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* @param con a JDBC Connection
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* @exception SQLException reports errors that occurred getting the
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* database metadata information off the supplied Connection
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*/
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public DbInfo( Connection con ) throws SQLException {
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dbMetaData = con.getMetaData();
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}
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/**
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* get a dump of information about the database from a JDBC Connection
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*
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* @return a string holding information on the database
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* @exception SQLException reports problems extract database information from the
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* JDBC DatabaseMetaData object
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*/
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public String getInfo() throws SQLException {
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StringBuffer buf = new StringBuffer();
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buf.append( "Database Name: " + dbMetaData.getDatabaseProductName() + "\n" );
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buf.append( "Database Version: " + dbMetaData.getDatabaseProductVersion() + "\n" );
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buf.append( "Driver Name: " + dbMetaData.getDriverName() + "\n" );
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buf.append( "Database Name: " + dbMetaData.getDriverVersion() + "\n" );
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buf.append( "Maximum number of active connections: " + dbMetaData.getMaxConnections() + "\n" );
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buf.append( "Get database URL: " + dbMetaData.getURL() + "\n" );
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return buf.toString();
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}
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}
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